Resistors
Pulse Withstanding
Planar Resistors
PWP Series
Excellent pulse withstand capability
Energy ratings 5J to 70J
PWP Series
Excellent reliability
•
Ideally suited for medical applications
•
Custom design service available
•
RoHS compliant
•
•
•
Pulse Withstanding Planar Resistors
All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2)
Energy rating
(10msec pulse, 25˚C)
Power rating at 70˚C
Resistance range
Limiting element voltage
(dc or ac rms)
TCR
(20˚C to 70˚C)
Resistance tolerance
Standard values
Ambient temperature range
joules
watts
ohms
volts
o
ppm/ C
%
˚
6
0.4
C
13
33
50
70
0.8
1
1.5
2
100 to 200K
√(P.R)
PWP04, 06, 08: 100: PWP10, 15, 20 <200R: 200: > 200R: 100
1, 5
E24 preferred
55 to 155
11
0.6
±0.75
±0.5
±0.5
±0.5
10.16
6.35
2
7.62
12.7
6.35
2
10.16
17.78
6.35
2
15.24
25.4
6.35
2
22.86
38.1
6.35
2
35.56
50.8
6.35
2
48.26
0.31
0.38
0.51
0.69
1.1
1.33
L
H
W
0.5
7 min
0.7
0.25
P
Conductor pads are printed to the rear and front faces of a 96% alumina substrate. A specially selected high voltage
thick film resistor ink, based on a ruthenium oxide/glass system, is printed between the front face conductors and then
covered in an overglaze before being protected with a special screen printed material which gives excellent high
voltage and climatic performance.
Type, resistance value and tolerance are legend marked in black ink on the rear of the component. The
resistance value conforms to IEC 62.
suitable for printed circuit boards
The component protection and marking are resistant to all normal industrial cleaning solvents
Solder coated phosphor bronze leadframe terminations are solder dipped in SnAgCu and meet the
following IEC requirements: IEC 68.2.21 – Strength, IEC 1151, Clause 4.17.3.2 – Solderability
General Note
TT Electronics reserves the right
right to make changes in product specification without notice or liability.
TT electronics reserves the
to make changes in product specification without notice or liability.
All information
subject to
to TT electronics’ own data and is considered
at time of going to print.
All information is
is subject
TT Electronics’ own data and is considered accurate
accurate at time of going to print.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
www.bitechnologies.com www.irctt.com www.welwyntt.com
© TT Electronics plc
12.11
04.17
Pulse Withstanding
Planar Resistors
PWP Series
Pulse Withstanding Planar Resistors
Pulse Withstanding Planar Resistors
PWP Series
PWP Series
R%
R%
R%
R%
R%
R%
R%
R%
R%
R%
R%
R%
R%
R%
1
1
1
0.3
1
Zero at 155˚C
0.3
1
Zero at 155˚C
55/155/56
1
1
55/155/56
0.25
1
0.25
0.25
0.25
0.25
0.25
0.25
<0.1
0.25
<0.1
0.3
0.3
0.3
0.02
0.3
0.02
0.02
0.02
Data based on testing performed at 100R
Load at rated power: 1000 hours at 70˚C
Dry heat: 1000 hours at 155˚C
Load at rated power: 1000 hours at 70˚C
Shelf life: 12 months at room temperature
Dry heat: 1000 hours at 155˚C
Derating from power at 70˚C
Shelf life: 12 months at room temperature
Climatic
Derating from power at 70˚C
Climatic category
Climatic
Long term damp heat
Climatic category
Temperature rapid change
Long term damp heat
Resistance to solder heat
Temperature rapid change
Resistance to solder heat
Energy (J)
using Single Pulse conditions, i.e. with
Data based on testing performed at 100R
mean power negligible compared to rated
using Single Pulse conditions, i.e. with
power. The maximum allowed
R
is 1%.
mean power negligible compared to rated
power. The maximum allowed
R
is 1%.
1000
Single Pulse Energy Capacity
100
PWP20
PWP15
PWP10
PWP08
PWP06
PWP04
10
1
0.1
0.01
0.1
1
10
Duration of Pulse (ms)
100
1,000,000
Maximum Single Pulse Power
100,000
Peak Power (W)
10,000
PWP20
PWP15
PWP10
PWP08
PWP06
PWP04
1,000
100
10
1
10
100
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
Duration of Pulse (ms)
www.bitechnologies.com www.irctt.com www.welwyntt.com
TT electronics reserves the right to make changes in product specification without notice or liability.
electronics’ own data and is considered accurate at time of going to print.
All information is subject to TT
12.11
www.bitechnologies.com www.irctt.com www.welwyntt.com
0.1
0.01
TT electronics reserves the right to make changes in product specification without notice or liability.
12.11
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
© TT Electronics plc
04.17
Pulse Withstanding
Pulse Withstanding
Planar Resistors
PWP Series
Planar Resistors
PWP Series
withstanding planar resistors to be suitable for the majority of applications. However, should an application require
particular consideration, TT electronics designers are able to provide advice and, where applicable, to recommend a non
standard product. Special sizes, designs etc, can be prototyped at short notice.
The experience of TT electronics engineers has been used to design this generation of pulse
Ordering Procedure
Example: PWP10 at 200 ohms and 5% tolerance and packed in a box of 160 pieces:
Type
Value (use IEC62 code)
Tolerance (use IEC62 code)
F
J
1%
5%
Packing
B048
B036
B024
B016
B012
B008
Bulk Pack
PWP04
PWP06
PWP08
PWP10
PWP15
PWP20
480 / box
360 / box
240 / box
160 / box
120 / box
80 / box
Standard
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyntt.com
12.11
General Note
TT Electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT Electronics’ own data and is considered accurate at time of going to print.
BI Technologies IRC Welwyn
http://www.ttelectronics.com/resistors
© TT Electronics plc
04.17
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